Update the pipeline for docker

Author: maarek

.github/workflows/release.yml

@@ -12,10 +12,21 @@ jobs:
       - uses: actions/checkout@v2
       - uses: actions/setup-go@v2-beta
         with:
-          go-version: '^1.14.0'
+          go-version: 1.14.x
+      - name: Docker login
+        if: success() && startsWith(github.ref, 'refs/tags/')
+        env:
+          DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}
+          DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
+        run: |
+          echo "${DOCKER_PASSWORD}" | docker login --username "${DOCKER_USERNAME}" --password-stdin
       - name: Release via goreleaser
         uses: goreleaser/goreleaser-action@master
         with:
           args: release
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+      - name: Clear
+        if: always() && startsWith(github.ref, 'refs/tags/')
+        run: |
+          rm -f ${HOME}/.docker/config.json